第三方--Quartz管理定时任务-servlet

package 

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.quartz.CronExpression;
import org.quartz.CronTrigger;
import org.quartz.JobDetail;
import org.quartz.Scheduler;
import org.quartz.SchedulerFactory;
import org.quartz.impl.StdSchedulerFactory;



public class QuartzDatashopJob extends HttpServlet {


    public QuartzDatashopJob() {
        super();
    }


    public void destroy() {
        super.destroy(); 
    }


    public void init() throws ServletException {
        String activateTime = DataShopPostUtil.getDatashopInfo("quartzActivate"); 
        String updateTime = DataShopPostUtil.getDatashopInfo("quartzUpdate");
        
        TaskActivateShop(activateTime);
        TaskBatShop(updateTime);
    }
    
    
    //扫描单条激活的失败信息重新提交
    public void TaskActivateShop(String activateTime){
        System.out.println("--------- task activate ---------");
        try{
            SchedulerFactory schedulerFactory = new StdSchedulerFactory();
            Scheduler scheduler = schedulerFactory.getScheduler();
            JobDetail jobDetail = new JobDetail("taskActivate", "taskActivate", QuartzActiveJob.class);
            CronTrigger cronTrigger = new CronTrigger("taskActivate", "taskActivate");
            try {
                CronExpression cexp = new CronExpression(activateTime);
                cronTrigger.setCronExpression(cexp);
            } catch (Exception e) {
                e.printStackTrace();
            }
            scheduler.scheduleJob(jobDetail, cronTrigger);
            scheduler.start();            
        }catch(Exception e){
            DataShopPostUtil.logOper("====== 定时扫描激活失败信息任务出错 ===="+e.getMessage());
        }

    }    
    


}

 

web.xml:

 

<load-on-startup>2</load-on-startup>